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447
RESULTS

Media Type
235
texts
199
audio
13
movies
Availability
447
Always Available
Year
48
2018
52
2017
3
2016
2
2012
7
2011
2
2010
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Topics & Subjects
221
VHF
203
antenna
197
UHF
194
HF
190
AMSAT
190
ARRL
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Collection
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Creator
188
george bowen, w2xbs
16
nasa technical reports server (ntrs)
8
european telecommunications standards institute
2
frb/climbtalk
2
fthresholds
2
l. b. cebik
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Language
313
English
1
Spanish
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